I've added many PPAs using the add-apt-repository command. Is there a simple way to remove these PPAs? I've checked in /etc/apt/sources.list for the appropriate deb lines but they aren't there.
This ...

Occasionally, when I'm installing stuff, I get an error like the following:
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the ...

I am trying to update to php 5.4 in Ubuntu 12.04, and I can only get 5.3.6 using official repositories (using apt-get).
I'm not really sure how to do a manual update – I'm sorta new to ubuntu, but I ...

Does anybody know of a ppa or source I can get a subverison 1.7 deb?
It was just released yesterday so I'm sure something will show up eventually. However I figure this will be a good place to post ...

As Linux continues to grow and develop, and the more we use Linux, the greater the threat from viruses.
We also know that a virus/threat in Linux (if any) would have difficulty running or spreading ...

I am interested in trying out the Blender 2.54 beta, but don't have the time or patience to download and install all of the dependencies for it and compile it myself.
Is there a PPA somewhere that I ...

What is the main difference between ppa-purge and add-apt-repository -r. Which one better clear residual items and reason to use one over another?
Does add-apt-repository -r should do what ppa-purge ...

Let's assume I have a working application written in C, C++ or Python. I want to create a Launchpad PPA so others can easily install it from a package. Please give step by step instructions for doing ...

Many questions are answered simply with add this repository and install.
I understand that Ubuntu developers cannot quickly verify all packages and make them available in official repositories. But ...

How can I list all packages I've installed from a particular PPA? Command-line answers preferred.
Related question: how can I list all installed packages that are not available from the main Ubuntu ...

Some time ago, I managed to find PPA featuring g++-4.7 build. However, I had to reinstall everything on my machine and I lost name of that PPA. Could anyone point me to it? I tried to find it again, ...

When my package gets build by launchpad using a recipe, it ignores the ./debian/changelog file I provide, and it generates a useless one like following:
harmonyseq (0.14~natty1) maverick; urgency=low
...

I'm an avid developer but I never actually gotten around to setting up my own PPA - how would someone go about this? Common issues encountered? How do I get my source code to be compiled into packages ...

I am packaging something for my PPA. The upstream source is a .tar.gz archive which is Makefile-based.
Since this package has a significant amount of architecture-independent data, it would be wise ...

In Ubuntu 13.04 I used the following PPA to install the 64-bit Tor Browser Bundle. However, in Ubuntu 13.10 it doesn't work anymore.
sudo add-apt-repository ppa:upubuntu-com/tor64
sudo apt-get update ...